UpHeron
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Servers and applications

CVE-2012-1516

The VMX process in VMware ESXi 3.5 through 4.1 and ESX 3.5 through 4.1 does not properly handle RPC commands, which allows guest OS users to cause a denial of service (memory overwrite and process crash) or possibly execute arbitrary code on the host OS via vectors involving data pointers.

Severity
Critical 9.9
Published
4 May 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.2% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
VMware ESXiServers and applications · cpe:o:vmware:esxi
  • Version 4.1
  • Version 4.0-4
  • Version 4.0-3
  • Version 4.0-2
All 8 release lines
  • Version 3.5
  • Version 3.5-1
  • Version 4.0
  • Version 4.0-1
  • Version 4.0-2
  • Version 4.0-3
  • Version 4.0-4
  • Version 4.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-1516
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-1516